C024
Modeling of the Cryosphere: Seasonal Snow

Session ID#: 74673

Session Description:
The seasonal snow cover has manifold impacts and feedbacks affecting water availability, vegetation patterns, ecosystems, and weather. Accurately modeling current and future snow covers is challenged by the need for modeling techniques that represent the complex and interacting controlling processes at appropriate spatial scales. This session will bring together researchers working on developing and applying snow models that collectively advance our understanding of system functionality. We solicit contributions related to modelling seasonal snow in general, and particularly welcome abstracts on snow cover interaction with the atmosphere, topography, vegetation and soil, operational snow models, data assimilation, subgrid schemes in coarse scale applications, modular model experiments, model evaluation and validation, and sensitivities to model parameters and forcing data.
Index Terms:

0736 Snow [CRYOSPHERE]
0740 Snowmelt [CRYOSPHERE]
0798 Modeling [CRYOSPHERE]

Primary Convener:  Adam H Winstral, WSL Institute for Snow and Avalanche Research SLF, Davos Dorf, Switzerland
Conveners:  Tobias Jonas, SLF / WSL, Davos Dorf, Switzerland, Mark S Raleigh, University of Colorado at Boulder, Boulder, CO, United States and Vincent Vionnet, Environment Canada, Environmental Numerical Prediction Research, Dorval, QC, Canada
Primary Liaison:  Adam H Winstral, USDA-ARS, Boise, ID, United States
 
Climate Change Impacts on Catchment Hydrology in Eastern Canada (486174)
Okan Aygün, Centre d'études nordiques (CEN), Quebec, QC, Canada, Christophe Kinnard, University of Quebec at Trois-Rivieres UQTR, Environmental Sciences, Trois-Rivières, QC, Canada and Stéphane Campeau, University of Quebec, Environmental Sciences, Trois-Rivières, QC, Canada
 
Snow Ensemble Uncertainty Project (SEUP): Exploring Variability and Uncertainty in Modeled SWE Estimates Using an Ensemble-based Approach (Invited) (490061)
Carrie Vuyovich1, Sujay V Kumar1, Rhae Sung Kim1, Lawrence Mudryk2, Lundquist Jessica3, Paul Houser4, Jeremy M Johnston4, Michael T Durand5, Nicoleta C Cristea6, Justin M Pflug6, Eunsang Cho7, Ana Paula Barros8, Melissa Wrzesien9, Ethan D Gutmann10, Camille Garnaud11, Barton A Forman12, Melody J Sandells13 and Yueqian Cao14, (1)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (2)Environment and Climate Change Canada, Climate Reseach Division, Toronto, ON, Canada, (3)University of Washington, Seattle, United States, (4)George Mason University Fairfax, Fairfax, VA, United States, (5)The Ohio State University, School of Earth Science and Byrd Polar and Climate Research Center, Columbus, OH, United States, (6)University of Washington, Seattle, WA, United States, (7)University of New Hampshire Main Campus, Durham, NH, United States, (8)Duke University, Civil and Environmental Engineering, Durham, NC, United States, (9)Ohio State University Main Campus, Columbus, OH, United States, (10)National Center for Atmospheric Research, Boulder, CO, United States, (11)Environment and Climate Change Canada, Meteorological Research Division, Dorval, QC, Canada, (12)University of Maryland College Park, College Park, MD, United States, (13)CORES Science and Engineering Limited, Burnopfield, United Kingdom, (14)Duke University, Durham, NC, United States
 
How Do Forests Primarily Change Snowpack Density: Mass or Energy Effects? (490120)
Hannah Bonner1, Mark S Raleigh1,2 and Eric E Small1, (1)University of Colorado at Boulder, Boulder, CO, United States, (2)University Corporation for Atmospheric Research, Boulder, CO, United States
 
Effects of canopy structure and snow cover fraction on wintertime land surface albedo of forested environments (496928)
Johanna Malle1,2, Nick Rutter2, Clare Webster1,3 and Tobias Jonas1, (1)WSL Institute for Snow and Avalanche Research SLF, Davos Dorf, Switzerland, (2)Northumbria University, Newcastle-Upon-Tyne, United Kingdom, (3)University of Edinburgh, Edinburgh, United Kingdom
 
Recent development in physically-based upscaling of snow process modeling for time-dependent sub-grid variability (Invited) (500197)
Noriaki Ohara and Siwei He, University of Wyoming, Laramie, WY, United States
 
The capabilities of MARS as an intelligent machine learning method to map fractional snow cover and to discriminate snow/cloud in snow mapping (504923)
Zuhal Akyurek, Middle East Technical University, Department of Civil Engineering, Ankara, Turkey and Semih Kuter, Organization Not Listed, Washington, DC, United States
 
Investigation on snow-soil-atmosphere interaction and impact on the climate signals through a pacemaker experiment of SWE (509026)
Yukihiko Onuma1, Kei Yoshimura2, Tomoko Nitta1, Hiroaki Tatebe3 and Masahiro Watanabe4, (1)The University of Tokyo, Institute of Industrial Science, Chiba, Japan, (2)The University of Tokyo, Institute of Industrial Science, Kashiwa, Japan, (3)JAMSTEC Japan Agency for Marine-Earth Science and Technology, Research Center for Environmental Modeling and Application, Kanagawa, Japan, (4)University of Tokyo, Atmosphere and Ocean Research Institute, Kashiwa, Japan
 
Evaluating downscaled wind data using snow depth patterns (510666)
Dylan Reynolds, University of Washington, Seattle, WA, United States and Jessica D Lundquist, University of Washington, Civil and Environmental Engineering, Seattle, WA, United States
 
How does forest-edge snow depth variability affect streamflow? (513820)
William Ryan Currier1, Ning Sun2, Mark S Wigmosta2 and Jessica D Lundquist1, (1)University of Washington, Civil and Environmental Engineering, Seattle, WA, United States, (2)Pacific Northwest National Laboratory, Energy and Environment Directorate, Richland, WA, United States
 
Site-scale Snow Simulations in Boreal Black Spruce, Jack Pine and Aspen Forests – Multi-model Results for ESM-SnowMIP (518833)
Paul A Bartlett1, Libo Wang1, Chris Derksen1, Richard Essery2, Gerhard Krinner3 and Cecile Menard2, (1)Environment and Climate Change Canada, Climate Research Division, Toronto, ON, Canada, (2)University of Edinburgh, School of GeoSciences, Edinburgh, United Kingdom, (3)Institut des Géosciences de l'Environnement, Grenoble, France
 
Snow-canopy interactions during rain-on-snow events using Random Forest (519284)
Tessa Maurer1, Francesco Avanzi1, Mohammad Safeeq2, Steven D Glaser1, Roger C Bales3 and Martha H Conklin2, (1)University of California Berkeley, Berkeley, CA, United States, (2)University of California Merced, Civil and Environmental Engineering, Merced, CA, United States, (3)University of California Merced, Merced, CA, United States
 
Characterizing Surface Albedo of Shallow Fresh Snow and Its Importance for Snow Ablation on the Interior of the Tibetan Plateau (528443)
Wenli Wang1, Kun Yang2, Long Zhao3, Ziyan Zheng4, Hui Lu5, Ali Mamtimin6, Baohong Ding7, Xin Li7, Lin Zhao8, Hongyi Li9, Tao Che10 and John C. Moore11, (1)Tsinghua University, Center for Earth System Science, Beijing, China, (2)Tsinghua University, Beijing, China, (3)Southwestern University, School of Geographical Sciences, Chongqing, China, (4)Key Laboratory of Regional Climate–Environment for Temperate East Asia (RCE-TEA), Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, China, (5)Department of Earth System Science, Tsinghua University, Beijing, China, (6)CMA China Meteorological Administration, Institute of Desert Meteorology, Beijing, China, (7)ITP Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing, China, (8)NUIST Nanjing University of Information Science and Technology, School of Geographical Sciences, Nanjing, China, (9)Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou, China, (10)Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou, China, (11)Beijing Normal University, College of Global Change and Earth System Science, Beijing, China
 
Estimating spatial snow cover distribution using distributed snowmelt models and MODIS data (537727)
Dhiraj Gyawali and András Bárdossy, University of Stuttgart, Department of Hydrology and Geohydrology, Institute for Modelling Hydraulic and Environmental Systems, Stuttgart, Germany
 
The Effect of Forest Thinning on the Sierra Nevada Snowpack Using Lidar and Process Based Snow Modelling (555258)
Sebastian A. Krogh, University of Nevada, Reno, Department of Natural Resources and Environmental Science, Reno, NV, United States, Adrian Adam Harpold, University of Nevada Reno, Natural Resources and Environmental Science, Reno, NV, United States and Patrick D Broxton, University of Arizona, School of Natural Resources and the Environment, Tucson, AZ, United States
 
Evaluating snow interception parameterizations with time-lapse photography (561947)
Cassie Lumbrazo, William Ryan Currier and Jessica D Lundquist, University of Washington, Civil and Environmental Engineering, Seattle, WA, United States
 
Measurement and Modeling of Snow Surface Net Radiation Under Varying Vegetation Structures in a Semi-Arid Mountain Watershed (566361)
Maggi Kraft, Boise State University, Boise, ID, United States, Jim P McNamara, Boise State Univ, Boise, ID, United States and Hans-Peter Marshall, Boise State University, Department of Geosciences, Boise, ID, United States
 
Modeling snow distribution, melt and flows in the rain-to-snow transition zone (569206)
Sarah Godsey1, Clarissa Lise Enslin1, Scott Havens2, Danny G Marks2, Patrick Kormos3, Andrew R Hedrick2, Katherine Hale4, Ernesto Trujillo2, Adam H Winstral5, Jim P McNamara6, Timothy E Link7, Mark Robertson2 and Micah Johnson2, (1)Idaho State University, Geosciences, Pocatello, ID, United States, (2)USDA-ARS, Northwest Watershed Research Center, Boise, ID, United States, (3)USDA Agriculture Research Serv, Boise, ID, United States, (4)University of Colorado Boulder, Boulder, CO, United States, (5)USDA-ARS, Boise, ID, United States, (6)Boise State Univ, Boise, ID, United States, (7)University of Idaho, Water Resources Program, Moscow, ID, United States
 
Assimilation of high-spatial-resolution remote sensing data into a distributed hydrological model to improve snow and streamflow predictions across the poorly gauged headwaters of China's Yangtze River (570870)
Pengfei Han, Di Long, Qi Huang and Xingdong Li, Tsinghua University, Department of Hydraulic Engineering, Beijing, China
 
Albedo Reduction by Light Absorbing Impurities and the Associated Radiative Forcing over High Mountain Asia: GFDL Global Climate Model and MODIS Observations (589901)
Hoi Ga Veronica Chan, Princeton University, Princeton, NJ, United States, Karl Rittger, University of Colorado at Boulder, Institute for Arctic and Alpine Research, Boulder, CO, United States, Paul A Ginoux, NOAA GFDL, Princeton, NJ, United States, Thomas H Painter, Jet Propulsion Laboratory, Pasadena, CA, United States and Sarah B. Kapnick, NOAA Geophysical Fluid Dynamics Laboratory, Princeton, United States
 
Snowpack Patterns in the East River, Colorado: Interannual Consistency and Relative Hierarchy of Contributing Physical Processes (600088)
Mark S Raleigh, University of Colorado at Boulder, Boulder, CO, United States, Jeffrey S Deems, University of Colorado, Boulder, CO, United States and Gabriela Celeste Collao-Barrios, University of Colorado at Boulder, Boulder, United States
 
Utilizing Spatially Resolved SWE to Inform Snowfall Interpolation Across a Headwater Catchment in the Sierra Nevada (609395)
Ernesto Trujillo1, Scott Havens2, Andrew R Hedrick2, Micah Johnson2, Mark Robertson2, Frederick B. Pierson2 and Danny G Marks2, (1)University of California Merced, Sierra Nevada Research Institute, Merced, CA, United States, (2)USDA-ARS, Northwest Watershed Research Center, Boise, ID, United States
 
Snow Modelling in the Western Himalaya using a Multi-Physics Ensemble (613470)
David Pritchard1, Nathan Daniel Forsythe1, Greg M O'Donnell2, Hayley J Fowler3 and Nick Rutter4, (1)Newcastle University, Tyne and Wear, United Kingdom, (2)University of Newcastle, School of Civil Engineering and Geosciences, Newcastle, United Kingdom, (3)Newcastle University, School of Engineering, Tyne and Wear, United Kingdom, (4)Northumbria University, Newcastle-Upon-Tyne, United Kingdom
 
The Influence of Snow Depth Observation Timing and Uncertainty on Data Assimilation Improvements to SWE (613673)
Eric Smyth, University of Colorado at Boulder, Boulder, CO, United States, Mark S Raleigh, University Corporation for Atmospheric Research, Boulder, CO, United States and Eric E Small, Univ of Colorado Boulder, Boulder, CO, United States
 
Evaluating Mechanisms of Rain-On-Snow Flood Events Using an Ensemble Approach to a Physically Based Snow Model (614379)
Andrew R Hedrick1, Scott Havens1, Ernesto Trujillo1,2, Micah Sandusky1, Micah Johnson1,2, Mark Robertson1, Frederick B. Pierson1 and Danny G Marks1, (1)USDA-ARS, Northwest Watershed Research Center, Boise, ID, United States, (2)University of California Merced, Sierra Nevada Research Institute, Merced, CA, United States
 
The effects of wildfire on snow water resources estimated from canopy disturbance patterns and meteorological conditions (616649)
David Moeser, USGS New Mexico Water Science Center, Albuquerque, NM, United States, Patrick D Broxton, University of Arizona, School of Natural Resources and the Environment, Tucson, AZ, United States, Adrian Adam Harpold, University of Nevada Reno, Natural Resources and Environmental Science, Reno, NV, United States and Graham A Sexstone, Colorado State University, EASC - Watershed Science, Fort Collins, CO, United States
 
Influence of snow model spatial resolution on process representation of snowmelt dynamics and patterns (625476)
Gabriela Celeste Collao-Barrios, National Snow and Ice Data Center, Boulder, CO, United States, Jeffrey S Deems, University of Colorado, Boulder, CO, United States and Mark S Raleigh, University Corporation for Atmospheric Research, Boulder, CO, United States
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